var header=$('header');
                
       if(isSafari){
      var xolairIsSafari=$('xolairBody');
     if(xolairIsSafari){//safari3
       isSafari3=true;
       isSafari2=false;
     }else{
     	isSafari3=false;
     	isSafari2=true;
     }
  }
  if(isIE && pageId == '4-0-0'){
   	header.style.marginTop="-15px";
  }
       var xolairDocumentBody=document.body;
      if(xolairDocumentBody && header){
         
         if (isSafari){
           //xolairDocumentBody.style.width=(screen.width-17)+"px";
           //header.style.width=(screen.width-17)+"px";
           
          }else{
            //xolairDocumentBody.style.width=(screen.width-17)+"px";
           // header.style.width=(screen.width-17)+"px";
          }
           
       }
       changeFontSize(1);